1057434 has 32 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 284160.

The previous prime is 1057421. The next prime is 1057477. The reversal of 1057434 is 4347501.

It is a super-2 number, since 2×1057434² = 2236333328712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (80028).

2^1057434 is an apocalyptic number.

1057434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280448).

1057434 is an abundant number, since it is smaller than the sum of its proper divisors (1503462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057434 is a wasteful number, since it uses less digits than its factorization.

1057434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1057434 is about 1028.3160992613. The cubic root of 1057434 is about 101.8789413458.

The spelling of 1057434 in words is "one million, fifty-seven thousand, four hundred thirty-four".